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# HW1 - Mec260 1 Homework#1 In SI units the universal...

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Mec260 Homework #1 1 In SI units, the universal gravitational constant 11 6.67 10 G = × N-m 2 /kg 2 . Determine the value of G in U.S. Customary base units. 2 In the equation 2 1 2 T I ω = the term I is in kg-m 2 and w is in s -1 . (a) What are the SI units of T ? (b) If the value of T is 100 when I is in kg-m 2 and w is in s -1 , what is the value of T when it is expressed in terms of U.S. Customary base units? 3 The “crawler” developed to transport the Saturn V launch vehicle from the vehicle assembly building to launch pad is the largest land vehicle ever built, weighing 6 4.9 10 lb × at sea level. (a) What is its mass in slugs? (b) What is its mass in kilograms? (c) A typical car has a mass of about 1000 kg. How many such cars does

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HW1 - Mec260 1 Homework#1 In SI units the universal...

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